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Crystals, Volume 9, Issue 11

November 2019 - 60 articles

Cover Story: Carbamazepine (CBZ), a widely used antiepileptic, is known to be sensitive to light. Cocrystallization can alter the physicochemical properties of the active pharmaceutical ingredient without modifying its intrinsic structure. In the present study, we prepared three cocrystals, including two polymorphs, of CBZ and investigated their photostabilities compared with that of the CBZ polymorphs. Cocrystals of CBZ with succinic acid (CBZ–SUC) and saccharin (CBZ–SAC form I) significantly suppressed the discoloration and degradation of CBZ compared to conventional solid forms. The molecular mobility significantly decreased following the formation of CBZ–SUC and CBZ–SAC form I and resulted in higher photostability. Cocrystallization was proven to be an effective approach to improving the photostability of a photolabile drug. View this paper
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Articles (60)

  • Article
  • Open Access
5 Citations
4,123 Views
8 Pages

19 November 2019

A new superconducting field-effect transistor (FET) in the vicinity of bandwidth-controlled Mott transition was developed using molecular strongly correlated system κ-(BEDT-TTF)2Cu[N(CN)2]Br [BEDT-TTF = bis(ethylenedithio)tetrathiafulvalene] laminate...

  • Article
  • Open Access
2 Citations
2,856 Views
11 Pages

Evolution of Microstructure, Texture and Topography during Cold Rolling and Recrystallization of Ni–5at.%W Alloy Substrate for Coated Conductors

  • Chenxi Zhang,
  • Hongli Suo,
  • Zili Zhang,
  • Qiuliang Wang,
  • Yingxia Wang,
  • Lin Ma,
  • Min Liu,
  • Yaotang Ji and
  • Jiazhi Li

18 November 2019

In this work, the effect of cold rolling and heat treatment upon the microstructure and texture of the surface layer and cross-section of Ni5W alloy substrate was analyzed via the EBSD technique. A typical copper deformation texture was shown by the...

  • Article
  • Open Access
8 Citations
3,111 Views
8 Pages

Two Interpenetrated Zn(II) Coordination Polymers: Synthesis, Topological Structures, and Property

  • Zi-Wei He,
  • Chang-Jie Liu,
  • Wei-Dong Li,
  • Shuai-Shuai Han and
  • Shui-Sheng Chen

17 November 2019

Two interpenetrated coordination polymers (CPs) {[Zn1(L)(NO2pbda)]n[Zn2(L)(NO2pbda)]n} (1) and [Zn(L)(Brpbda)]n (2) were prepared by reactions of zinc sulfate heptahydrate with N-donor ligands of 1,4-di(1H-imidazol-4-yl)benzene (L) and auxiliary carb...

  • Article
  • Open Access
57 Citations
4,323 Views
16 Pages

17 November 2019

A new heterotetranuclear complex, [{Zn(L)Sm(NO3)3}2(4,4′-bipy)]·2CH3OH, was synthesized via an unsymmetrical single salamo-like ligand H2L: 6-methoxy-6′-ethoxy-2,2′-[ethylenedioxybis(azinomethyl)]diphenol, with Zn(OAc)2&middo...

  • Commentary
  • Open Access
6 Citations
5,982 Views
7 Pages

17 November 2019

In this short commentary, we discuss a fundamental reason why two different semiconductor technologies are needed for complementary thin-film transistor (TFT) operations. It is mainly related to an energy-level matching between the band edge of the s...

  • Article
  • Open Access
3 Citations
3,815 Views
16 Pages

16 November 2019

Many Zintl phases exhibiting a CrB type structure form hydrides. Systematic studies of AeTtHx (Ae = Ca, Sr, Ba; Tt = Si, Ge, Sn), LnTtHx (Ln = La, Nd; Tt = Si, Ge, Sn), and LnGaHx (Ln = Nd, Gd) showed the vast structural diversity of these systems. H...

  • Article
  • Open Access
2 Citations
3,732 Views
9 Pages

15 November 2019

In this study, we propose driving the amorphous blue phase III (BPIII) with a tilted electric field to enhance or magnify its inherent linear electro-optical properties. The electro-optical properties of in-plane-switching (IPS) BPIII and tilted-fiel...

  • Article
  • Open Access
9 Citations
3,823 Views
10 Pages

Synthesis, Characterization, and Crystal Structure of N-(3-nitrophenyl)cinnamamide

  • Jung-Seop Lee,
  • Matthias Zeller,
  • Shrikant Dashrath Warkad and
  • Satish Balasaheb Nimse

15 November 2019

N-(3-nitrophenyl)cinnamamide 1 with formula C15H12N2O3 was synthesized, and its crystal structure was determined by single-crystal X-ray diffraction analysis. Compound 1 crystallizes in the monoclinic space group P21/n with unit cell dimensions: a =...

  • Article
  • Open Access
9 Citations
2,985 Views
11 Pages

“Restricted Geometry” Effect on Phase Transitions in KDP, ADP, and CDP Nanocrystals

  • Vladislav V. Tarnavich,
  • Alexander S. Sidorkin,
  • Tatiana N. Korotkova,
  • Ewa Rysiakiewicz-Pasek,
  • Leonid N. Korotkov and
  • Nadezhda G. Popravko

14 November 2019

The dielectric properties of composite materials prepared by the embedding of ferroelectrics potassium dihydrogen phosphate (KDP), cesium dihydrophosphate (CDP), as well as antiferroelectric ammonium dihydrogen phosphate (ADP) into porous glass matri...

  • Article
  • Open Access
6 Citations
4,111 Views
12 Pages

14 November 2019

Submicron spherical barium titanate (BaTiO3) was prepared by batch precipitation in an alkaline solution of a BaCl2–TiCl4–NaOH reaction system. The influence of various parameters on the morphology of BaTiO3 powders was investigated in th...

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Crystals - ISSN 2073-4352